Please enter the following details
Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Instructions
Directions for the next two questions: Answer the questions based on the following information.
Each of the 11 letters A, H, I, M, O, T, U, V, W, X and Z appears same when looked at in a mirror. They are called symmetric letters. Other letters in the alphabet are asymmetric letters.
Question 3
How many four-letter computer passwords can be formed using only the symmetric letters (no repetition allowed)?
Solution
The number of ways in which this can be done is 11*10*9*8 = 7920
Create a FREE account and get:
- All Quant CAT complete Formulas and shortcuts PDF
- 35+ CAT previous year papers with video solutions PDF
- 5000+ Topic-wise Previous year CAT Solved Questions for Free
CAT Quant Questions | CAT Quantitative Ability
CAT Time Speed Distance QuestionsCAT Functions, Graphs and Statistics QuestionsCAT Linear Equations QuestionsCAT Coordinate Geometry QuestionsCAT Algebra Questions
CAT DILR Questions | LRDI Questions For CAT
CAT Special Charts QuestionsCAT 2D & 3D LR QuestionsCAT Maxima-Minima QuestionsCAT Miscellaneous LR QuestionsCAT Selection With Condition Questions
